The puzzle includes 50 plastic building replicas that depict the island as it appeared as far back as 1646 through to present day with the addition of 7 pieces representing the natural evolution of time. The puzzle includes such famous structures as the Office of the President, National Palace Museum, Sun Yat-sen Memorial Hall and Xiaoyoukeng of Mt. Qixing. The buildings fit into pre-cut holes in a traditional 2D jigsaw puzzle that form the island's layout. The product includes a Time Poster that directs you through time as you rebuild Taiwan famous history. Puzzle measures approximately 24" x 16" x 2" and includes just over 900 pieces! Ages 14+. There are several other 4D CityScape Puzzles to choose from also so check them out for hours of interactive play.